20178804878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{191497}}^1$

素因数の和:191624

約数の個数: 32

約数和(自身を含む): 33090854400

約数和(自身を除く): 12912049522

約数列:

[1, 2, 19, 38, 47, 59, 94, 118, 893, 1121, 1786, 2242, 2773, 5546, 52687, 105374, 191497, 382994, 3638443, 7276886, 9000359, 11298323, 18000718, 22596646, 171006821, 214668137, 342013642, 429336274, 531021181, 1062042362, 10089402439, 20178804878]

約数ペア:

[(1, 20178804878), (2, 10089402439), (19, 1062042362), (38, 531021181), (47, 429336274), (59, 342013642), (94, 214668137), (118, 171006821), (893, 22596646), (1121, 18000718), (1786, 11298323), (2242, 9000359), (2773, 7276886), (5546, 3638443), (52687, 382994), (105374, 191497)]